Launching today
ThinkShift

ThinkShift

Compare 3 AIs with a smart summary and Brainstorming

3 followers

ThinkShift lets you ask once and instantly compare answers from ChatGPT, Claude, and Gemini—plus a 3-second smart summary of what’s common and what differs. Then tap a button to challenge, expand, or rewrite any answer with another model, without copy-pasting. Built for power users who want faster brainstorming and better decisions.
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
ThinkShift gallery image
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What do you think? …

HANGYEOL KIM
Maker
📌

Hey Product Hunt 👋 I’m Hangyeol, maker of ThinkShift.

If you’ve ever copy-pasted the same prompt across multiple AIs (and still weren’t sure what to trust), I built ThinkShift for you.

What it does

Ask once → get 3 AI answers side-by-side

Get a 3-second smart summary (common points + key differences)

One-tap brainstorming: challenge/expand/rewrite any answer with another model—no copy-paste

Mobile-first carousel UI + searchable history

Who it’s for
Power users, developers, creators, and anyone making decisions with AI.

Pricing

Pro $19/mo (5days Free trial), Ultra $39/mo.

I’d love feedback on:

Which summary format is most useful?

What “one-tap follow-ups” should we add next?

Any missing models you want to compare?